Minecraft Java 1.21 Mods
Browse 247 free mods for Minecraft Java 1.21 — popular picks include Blended Compat, Carpet PVP, Advanced Wall Climber API.
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Blended Compat
Adds more compatibility between mods commonly found together in modpacks.
Carpet PVP
Fork of Carpet Mod that fixes PVP-related bugs with carpet fake players and adds some new commands.
Advanced Wall Climber API
A powerful API for Minecraft mods that enables advanced wall climbing mechanics for entities. This API allows mod developers to easily add spider-like wall climbing behavior to any mob.

Dynamic light
Mobs on fire and some items emit light! Like the OptiFine's dynamic light.
LagFixer
⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
Curtain
A Forge mod like fabric-carpet
SmartSpawner
A GUI-based spawner plugin that generates items and experience without spawning mobs
Ice And Fire Smithing
Progression-based smithing for the Ice And Fire mod.
ClearLag++
🎆Trusted on 2800+ Servers🎆⭐Controlls Mob Spawning ⭐Limits Armor Stand⭐Item Frames⭐Laggy Chunkfinder and Unloader⭐And many more features⭐Check it out Yourself⭐1.18-26.1.2⭐Bukkit/Spigot/Paper/PurPur⭐
Persistent Parrots
Parrots have been 'trained' to remain perched on your shoulders!
Zombie Horsemen
Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.
InstaRestock
Instant Restock or Insta Restock makes villagers infinite restock
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
AutoBuild
AutoBuild lets you automatically place blocks to build faster and easier in Minecraft. Perfect for large and repetitive builds.
Name Tag (Craft & Drops)
Adds a crafting recipe + name tags drop from entities when killed
StackMob
Enhance your server performance by 'stacking' or 'merging' entities.
Call Your Cat
Easily call (whistle) your cat with a goat horn to teleport it to you
Spawn Chunks Disabled
Spawnchunks will no longer be forceloaded
Anti Enderman Grief
prevent endermen from picking up blocks!
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
PerformanceX
Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.
Better Cobblemon Spawns
I am attempting to update the cobblemon spawn conditions so that pokemon like dratini are easier to find and dont only spawn at Y Level 32 and below.
Essential PVP Utilities
This mod contains many features to give you an advantage when fighting. Contains Fast Block Placements, Wind Charge Optimizer, [Beta] Crystal Optimizer, Faster Strafing and much more.
Cobblemon - Spawn Controller
Control what spawns on your server without having to change your datapacks around!
AxMinions
The Ultimate Minions plugin with great customization and performance!
Raycasted Anti-ESP
AntiESP; culls hidden entities, players and tile entities. Blocks Pie-Ray and Freecam. Formerly known as Raycasted Entity Occlusions/REO.
AntiVillagerLag
A way to remove the performance impact of trading halls without sacrificing other villager farms
Ghastlings Forever
Make Ghastlings remain babies forever!
MTSAntiCheat
This anti-cheat ensures fair gameplay by verifying client mods and textures, blocking hacked clients and unauthorized tools, and giving server owners full visibility and control to keep their SMP secure and competitive.
Moar Bosses
Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.
TradingPlus+
Enhances trading by adding over 280 new trades for villagers, providing a richer and more varied gameplay experience.
MC-Reality Mod
this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player
Attack-Blocker
A simple mod that let you control which players you can attack and which not ⚔️❌
VillagerLobotimizer
A plugin to lobotomize villagers stuck in a trading hall. Perfect for SMPs looking to increase performance without sacrificing gameplay!